KL 121

CNC-controlled sewing unit with rotating sewing head for closing airbags

Features

Sewing machine X-axis driven, template Y-axis driven
360° rotating head with alternating double transport for perfect seam results in the multi-directional sewing process
Stitch type: 1- or 2-needle double chain stitch, alternatively 1- or 2-needle double lock stitch
360° turnable sewing head with needle transport
Exact seam pattern / thread pull in all sewing directions
Automatic material transfer and discharge system
Easy exchange of the transfer- and material fixation unit
Overlapped operation during the sewing process
Intermittent feed (feed stop when needle enters material)
Switchable needle feed (on/off) for continuous sewing with the highest seam quality
Sewing head, pneumatically liftable (75 mm) for direct access to any seam position
Thread tension, manually adjustable
Lower thread monitoring by stitch counter
The touch screen operator panel ensures intuitive operation and features a modern and clear layout. The seam may be monitored in real time on the screen
The automatic detection of the material clamp for added process reliability
The sewing area is protected by a light-barrier (CE compliant)
Pneumatic sewing foot height adjustment (two-stage)
Clamping device for the fixation of the sewing template in the sewing area

Second thread tension can be pneumatically activated via program
Upper thread clamping device for a neat seam start
Electronical thread tension monitoring
Upper thread monitor via sensor
Bobbin thread monitor via stitch counter (only lockstitch-version)
Fully-overlapped working method due to two feeding table (left/ right) or an inseration table or a template changer table
Customized interchangeable frame (s)
Free programmable height of the presser foot, pneumatic/electromotive, as well as second thread tension – adjustable during the sewing process
Integration of safety relevant quality monitoring systems, such as monitoring of material layer, loading etc.
Various thread separating units, depending on customer demands
Integration of automatic top- and/or bottom tape feeder for seam reinforcement with tape cutter and tape advance unit
Pneumatic needle cooler
Various options available to upgrade the machine (RFID sensor, barcode scanner etc.)
Continuous thread tension (via proportional valve)
Free-programmable upper thread tension with tension gauge
Electronical height adjustment of the sewing foot